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Title: The Use Of Environmental Stress Crack Resistance Test In Quality Assurance Work
Author: Arnold m. Rader
Source: American Gas Association 1976
Year Published: 1976
Abstract: A new quality control test is needed for polyethylene pipe and fittings, as present tests do not detect all pipe or fittings that have poor long-term test or field performance. Minnegasco, working with an ASTM F17.40 Task Group, developed a modified Environmental Stress Crack Resistance test for polyethylene using rings cut from pipe or fittings. The ASTM Task Group round robin results have been satisfactory and the ESCR test is being balloted as a proposed test method at section level this month. Minnegasco repeatability on round robin samples of ALDYL A and Phillips 418 materials are remarkable no test specimen failure time varies more than 6% from the average value for the respective material.

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